Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
cach hoc » cach thuc, cach thoi, dich hoc
cuu dong » cuu cong, cuu tong, cuu long
co nganh » hoc nganh, cac nganh, moi nganh
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
su cach » su sach, tu cach, su cac
xa thai » ca thai, a thai, da thai
nhan va » nhan tai, nhan dan, nhan tao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su cach hoc tap, nghien cuu dong co nganh khoa hoc ((xa thai) or (xa hoi)) van nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su cach hoc tap, nghien cuu dong co nganh khoa hoc ((xa thai) OR (xa hoi)) van nhan va.
• Adding a wildcard symbol may retrieve word variants: su cach hoc tap, nghien cuu dong co nganh khoa hoc ((xa thai) or (xa hoi)) van nhan va*.